Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More

Cylinder Head, Marine-Duty Performer RPM 454, Assembled, Aluminum, Black Anodized, 118cc Chamber, 315cc Intake Runner, Chevy, Big Block, Each

Part Number: EDL-61555

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Cylinder Head Studs, 8740 Chromoly, Black Anodized, Harley-Davidson®, Set of 8

Part Number: KPM-20-20412

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Cylinder Head Studs, 8740 Chromoly, Hex-Head Nuts, Black Anodized, Chevy, Kit

Part Number: BRO-SK-HSSB

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Estimated Ship Date: Mar 30, 2026 if ordered today

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AFR 24° BBC Cylinder Head 305cc Partially CNC ported, 117 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2100B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 377cc fully CNC ported, 121 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2015B-TI

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 305cc Partially CNC Ported, 117cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3050B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Cylinder Studs, 8740 Chromoly, Black Anodized, Harley-Davidson®, Set of 4

Part Number: KPM-20-2098

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Studs, Cylinder Head, 8740 Chromoly, Black Anodized, Harley-Davidson®, Set of 4

Part Number: KPM-20-2097

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AFR 24° BBC Cylinder Head 325cc Partially CNC ported, 117 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2101B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 325cc Partially CNC Ported, 117cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3250B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 345cc Partially CNC Ported, 117cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3450B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 385cc fully CNC Ported, 121cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3580B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 345cc Partially CNC ported, 117 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2110B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 385cc fully CNC ported, 121 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2020B-TI

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 357cc fully CNC ported, 121 cc Chambers, Race Ready, Assembled, Hard Coat Anodize

Part Number: AFR-2010B-TI

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 357cc fully CNC Ported, 121cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3570B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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AFR 24° BBC Cylinder Head 377cc fully CNC Ported, 121cc chambers, w/valve job, NO PART, ready for assembly, hard coat anodize

Part Number: AFR-3575B

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Estimated Ship Date: Apr 27, 2026 if ordered today

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PLUG, 2011-2015 DURAMAX LML REAR ENGINE COVER COOLANT RETURN PLUG

Part Number: FLE-FPE-LML-CP

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Cylinder Head, Performer RPM, Marine, Aluminum, Bare, 118cc Chamber, 315cc Intake, Chevy, Big Block, Each

Part Number: EDL-61559

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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